<!DOCTYPE html>
<script src="url_constants.js"></script>
<script src="files_browsable_content.js"></script>
<style>
  html {
    height: 100%;
    width: 100%;
  }
  body {
    height: 100%;
    margin: 0;
  }
  iframe {
    height: 100%;
    width: 100%;
    border: 0;
  }
</style>

<body>
  <iframe id="content" src=""></iframe>
</body>